Certificate of Analysis

Product Name CHROMIUM POTASSIUM SULPHATE 98.5%
CAS Number 7788-99-0
Molecular Formula CrKO8S2·12H2O
Catalogue No. AL00485
Molecular Weight 499.40 g/mol
Batch Number AL-2026-AL00485
Manufacturing Date September-2026
Expire Date September-2031
Type of Test Standard Observed
Assay ≥ 98.5% 99.0%
Moisture Content ≤ 0.5% 0.3%
Residue on Ignition ≤ 0.1% 0.05%
pH (1% solution) 4.0 - 5.0 4.5
Solubility Soluble in water Complete dissolution
Result: The above product is expected to comply with 98.5% grade specification.

Tested By

Hitesh Kunjathur Tested By Stamp

Analysed By

Preeti Rane Analysed By Stamp
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